linux-kernel - [PATCH -next] VMCI: remove set but not used variable 'cid'

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Date:   Thu, 27 Sep 2018 11:01:19 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        zhong jiang <zhongjiang@...wei.com>,
        Al Viro <viro@...iv.linux.org.uk>
CC:     YueHaibing <yuehaibing@...wei.com>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] VMCI: remove set but not used variable 'cid'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/misc/vmw_vmci/vmci_host.c: In function 'vmci_host_do_alloc_queuepair':
drivers/misc/vmw_vmci/vmci_host.c:450:6: warning:
 variable 'cid' set but not used [-Wunused-but-set-variable]
  u32 cid;
      ^

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/misc/vmw_vmci/vmci_host.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c
index be732e5..edfffc9 100644
--- a/drivers/misc/vmw_vmci/vmci_host.c
+++ b/drivers/misc/vmw_vmci/vmci_host.c
@@ -447,15 +447,12 @@ static int vmci_host_do_alloc_queuepair(struct vmci_host_dev *vmci_host_dev,
 	struct vmci_handle handle;
 	int vmci_status;
 	int __user *retptr;
-	u32 cid;
 
 	if (vmci_host_dev->ct_type != VMCIOBJ_CONTEXT) {
 		vmci_ioctl_err("only valid for contexts\n");
 		return -EINVAL;
 	}
 
-	cid = vmci_ctx_get_id(vmci_host_dev->context);
-
 	if (vmci_host_dev->user_version < VMCI_VERSION_NOVMVM) {
 		struct vmci_qp_alloc_info_vmvm alloc_info;
 		struct vmci_qp_alloc_info_vmvm __user *info = uptr;